rules:
  - id: forgejo-switch-empty-case
    pattern-either:
      - pattern: |-
          switch $_ {
            case $_:
          }
      - patterns:
        - pattern: |-
            switch {
              case $_:
            }
    languages:
      - go
    severity: ERROR
    message: >
      switch has a case block with no content. This is treated as "break" by Go, but developers may confuse it for
      "fallthrough".  To fix this error, disambiguate by using "break" or "fallthrough".